1.
Response of Typical Soil Phosphorus Evolution to Long-term Single Nitrogen Fertilization
中国典型农田土壤磷素演化对长期单施氮肥的响应
2.
The Effect of Formula Application on Yield of Liaodan 121,a Introduced Maize Variety
氮磷钾肥配施对辽单121产量的影响
3.
Effects of Different Nitrogen Application Methods on Agronomy Characters and Nitrogen Use Efficiency of Maize Xindan 29
不同施氮处理对新单29生育性状及氮肥利用率的影响
4.
high-clearance liquid nitrogen applicator
高地隙液体氮肥注施机
5.
A field trial was carried out in Datonghu Administration District of Jianghan Plain to study the response of Echinochloa fru mentacea growth, yield and profit to phosphate application rates and nitrogen( N), phosphate( P), potassium( K) combined fertilization.
在江汉平原田间条件下研究了磷肥用量及氮、、肥单施和配合施用对小米草生长及产量的影响。
6.
Wheat fertilization mainly in basal, all organic manure, P and K and half of N fertilizers are applied at plowing, the rest N fertilizer dressed in jointing stage along with irrigation.
小麦施肥主要为基肥，全部有机肥、、和一半氮肥翻地时施入，其余氮肥在拔节期随灌水追施。
7.
Effects of Nitrogen Application Time on Carbon Assimilate and Nitrogen Translocation and Nitrogen Use Efficiency of Summer Maize
施氮时期对夏玉米碳氮运转及氮肥利用的影响
8.
The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随著施氮量增加，追施氮肥的利用率明显下降。
9.
A Study on Effects of N-fixing Bacteria Fertilizer under Different Soil Nitrogen Level;
不同施氮水平下固氮菌肥施用效果的研究
10.
Studies on the Effect of Nitrogen, Phosphorus and Potassium and Formulated Fertilizer Application of Blueberry;
越橘氮磷钾的施肥效应及配方施肥的研究
11.
Study on the Application Effects of N,P and K Fertilizers on Rice and the Recommended Fertilizer Amount in Eastern Hubei
鄂东水稻氮磷钾肥施用效果及推荐施肥量研究
12.
The Effect of Formula Application on Yield of Zunyu 3 and Its Application Parameters
氮磷钾肥配施对遵玉3号产量、施肥参数的影响
13.
Experimental Study on Fertilization and the Different Proportion Nitrogen Fertilizer of Jing-9428 Wheat
京9428小麦施肥量和氮素化肥不同施肥比例试验研究
14.
Mechanism of Soil N Supply in Paddy Soil and Reaching Optimal N Application for Rice;
稻田土壤供氮机理及水稻氮肥优化施用研究
15.
Effects and Mechanism on Nitrogen Output in Farmland with Nitrogen Fertilization;
氮肥施用对农田氮素径流输出的影响及其机理
16.
Effects of Topdressed N-Fertilizer on Translocation and Distribution in Soybean Plants
追施氮肥对大豆体内氮素运转与分配的影响
17.
Study on the N-element Nutrient of Red Globe Grape and Its Nitrogen Fertilization
全球红葡萄氮素营养及氮肥施用效果研究
18.
Nitrate-N Leaching in 23-Year Winter Wheat Field Combined with Application of Nitrogen and Phosphorus
小麦氮磷肥长期配施对土壤硝态氮淋溶的影响